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SN54LS257B中文资料四路 2 线路至 1 线路数据选择器/多路复用器数据手册TI规格书
SN54LS257B规格书详情
描述 Description
These devices are designed to multiplex signals from four-bit data sources to four-output data lines in bus-organized systems. The 3-state outputs will not load the data lines when the output control pin (G\\) is at a high-logic level. Series 54LS and 54S are characterized for operation over the full military temperature range of -55°C to 125°C; Series 74LS and 74S are characterized for operation from 0°C to 70°C.
特性 Features
• Three-State Outputs Interface Directly with System Bus
• Same Pin Assignments as SN54LS157, SN74LS157, SN54S157, SN74S157, and SN54LS158, SN74LS158, SN54S158, SN74S158
• Provides Bus Interface from Multiple Sources in High-Performance Systems
Off state (worst case)
技术参数
- 制造商编号
：SN54LS257B
- 生产厂家
：TI
- Function
：Digital Multiplexer
- Configuration
：2:1
- Number of channels (#)
：4
- Operating temperature range (C)
：-55 to 125
- Rating
：Military
| 供应商 | 型号 | 品牌 | 批号 | 封装 | 库存 | 备注 | 价格 |
|---|---|---|---|---|---|---|---|
TI |
07+ |
DIP |
950 |
绝对全新原装正品,现货质量可保 |
询价 | ||
最新 |
2000 |
原装正品现货 |
询价 | ||||
TI/德州仪器 |
2023+ |
DIP16 |
6895 |
原厂全新正品旗舰店优势现货 |
询价 | ||
TI |
18+ |
CDIP |
85600 |
保证进口原装可开17%增值税发票 |
询价 | ||
TI |
23+24 |
DIP |
29850 |
原厂原包装。终端BOM表可配单。可开13%增值税发票 |
询价 | ||
MOTOROLA/摩托罗拉 |
2402+ |
CDIP16 |
8324 |
原装正品!实单价优! |
询价 | ||
TI/德州仪器 |
23+ |
DIP16 |
6000 |
专业配单保证原装正品假一罚十 |
询价 | ||
TI |
23+ |
CDIP |
8560 |
受权代理!全新原装现货特价热卖! |
询价 | ||
TI |
24+ |
CDIP|16 |
55200 |
免费送样原盒原包现货一手渠道联系 |
询价 | ||
TI |
25+ |
DIP |
3000 |
全新原装、诚信经营、公司现货销售! |
询价 |
